Update to Google Universal Analytics and fix multiple character encoding issues

This update (0e904af) brings with it the following changes:

Bugfixes:

• Fix character encoding issues when doing the following:
  • adding configuration set values
  • modifying configuration values
  • modifying site names
  • storing assignment scores
  • creating message box tags
  • creating objects
  • creating containers
  • modifying glossary entries
• Avoid a database error if an invalid number is specified when storing or updating an object or container.

Enhancements:

• Updated to Google Universal Analytics for better user behavior insight.